Display screen or portion thereof with graphical user interface



The FIGURE is a front view of a display screen or portion thereof with graphical user interface showing my new design.

The broken lines in the FIGURE show portions of a display screen or portion thereof, text, and graphical elements, which form no part of the claimed design. The broken lines also illustrate an article that may include the display screen or portion thereof and are included for the purpose of illustrating environmental structure and form no part of the claimed design. 

CLAIM The ornamental design for a display screen or portion thereof with graphical user interface, as shown and described. 